Product instruction:

Ferulic ACID has a chemical name of 4-hydroxy-3-methoxycinic acid, It is a wide range of phenolic acids existing in the plants, in the Ai Wei, Angelica

,

Chuanxiong , Sheng Zai , the content of Chinese medicine is more high. Ferulic acid has an absorption peak at 320 nm, which can determine its content using HPLC. \u0026 NBSP;

The instrument and reagent required in the test

:

High-performance liquid chromatograph (C18 column ( 4.6 × 250 mm), UV detector (VWD)), desktop centrifuge, adjustable pipette, mortar / homogenizer, EPT (2 mL), needle filter (50, organic, 0.45 μm ), Syringe, filter, filtration membrane (organic, water), brown into S bottles (50, 1.5 mL), methanol (chromatographic pure), ultra-pure water, methanol (analysis pure). \u0026 nbsp; Product content:

Extract: Liquid 80 \u0026 NBSP; ML \u0026 nbsp; × 1 bottle Save 4 ° C. Reagent 1: Liquid 3 \u0026 NBSP; ML \u0026 NBSP; × 1 bottle, 4 ° C.

Reagent 2: Powder × 2 bottles, 4 ° C preserved.

Standard: Powder × 1 bottle, 4 ° C protected from light. 2.5 ml of methanol was added to prepared to prepare

2 Mg / ml ferulic acid standard solution, and the seal was stored at 4 ° C to avoid direct sunlight.

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